<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

if (!function_exists('load_ci')) {

	function load_ci() {
		return get_instance();
	}

}
if (!function_exists('pw_hash')) {

	function pw_hash($string) {
		$ci = load_ci();
		$ci->load->library("salting");

		$key = date('YmdHis');
		$key.= $ci->config->item("encryption_key");
				
		$ci->salting->set_hash(md5($key));
		$ci->salting->set_string($string);
		return $ci->salting->hash_string();
	}
}
if (!function_exists('pw_unhash')) {

	function pw_unhash($string) {
		$ci = load_ci();
		$ci->load->library("salting");

		$ci->salting->set_string($string);
		return $ci->salting->unhash_string();;
	}
}
if (!function_exists('month')) {
	function month() {
		$ci = load_ci();

		for($x=1;$x<=12;$x++)
		{
			$month[$x]=date('F', mktime(0,0,0,$x,1));
		}
		return $month;
	}
}
if (!function_exists('day')) {
	function day() {
		$ci = load_ci();

		for($x=1;$x<=31;$x++)
		{
			$day[$x]=$x;
		}
		return $day;
	}
}
if (!function_exists('year')) {
	function year() {
		$ci = load_ci();
		
		$yr_s = date("Y");
		$yr_e = date("Y")*1-90;
		for($x=$yr_s;$x>$yr_e;$x--)
		{
			$year[$x]=$x;
		}
		return $year;
	}
}
if (!function_exists('make_url')) {
	function make_url($string) {
		$ci = load_ci();
		 $string = remove_accents($string);
		 //$string = htmlspecialchars($string);
		 $string = strtolower($string); // Force lowercase
		 $space_chars = array(
		  " ", // space
		  "…", // ellipsis
		  "–", // en dash
		  "—", // em dash
		  "/", // slash
		  "\\", // backslash
		  ":", // colon
		  ";", // semi-colon
		  ".", // period
		  "+", // plus sign
		  "#", // pound sign
		  "~", // tilde
		  "_", // underscore
		  "|", // pipe
		 );
		 foreach($space_chars as $char){
		  $string = str_replace($char, '-', $string); // Change spaces to dashes
		 }
		 // Only allow letters, numbers, and dashes
		 $string = preg_replace('/([^a-zA-Z0-9\-]+)/', '', $string);
		 $string = preg_replace('/-+/', '-', $string); // Clean up extra dashes
		 if(substr($string, -1)==='-'){ // Remove - from end
		  $string = substr($string, 0, -1);
		 }
		 if(substr($string, 0, 1)==='-'){ // Remove - from start
		  $string = substr($string, 1);
		 }
		 return $string;
	}
}
if (!function_exists('remove_accents')) {
	function remove_accents($string) {
		$ci = load_ci();
		if(!preg_match('/[\x80-\xff]/', $string)){
			return $string;
		}
		if($this->seems_utf8($string)){
		$chars = array(
			// Decompositions for Latin-1 Supplement
			chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
			chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
			chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
			chr(195).chr(135) => 'C', chr(195).chr(136) => 'E',
			chr(195).chr(137) => 'E', chr(195).chr(138) => 'E',
			chr(195).chr(139) => 'E', chr(195).chr(140) => 'I',
			chr(195).chr(141) => 'I', chr(195).chr(142) => 'I',
			chr(195).chr(143) => 'I', chr(195).chr(145) => 'N',
			chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
			chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
			chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
			chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
			chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
			chr(195).chr(159) => 's', chr(195).chr(160) => 'a',
			chr(195).chr(161) => 'a', chr(195).chr(162) => 'a',
			chr(195).chr(163) => 'a', chr(195).chr(164) => 'a',
			chr(195).chr(165) => 'a', chr(195).chr(167) => 'c',
			chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
			chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
			chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
			chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
			chr(195).chr(177) => 'n', chr(195).chr(178) => 'o',
			chr(195).chr(179) => 'o', chr(195).chr(180) => 'o',
			chr(195).chr(181) => 'o', chr(195).chr(182) => 'o',
			chr(195).chr(182) => 'o', chr(195).chr(185) => 'u',
			chr(195).chr(186) => 'u', chr(195).chr(187) => 'u',
			chr(195).chr(188) => 'u', chr(195).chr(189) => 'y',
			chr(195).chr(191) => 'y',
			// Decompositions for Latin Extended-A
			chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
			chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
			chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
			chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
			chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
			chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
			chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
			chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
			chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
			chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
			chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
			chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
			chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
			chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
			chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
			chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
			chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
			chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
			chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
			chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
			chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
			chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
			chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
			chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
			chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
			chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
			chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
			chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
			chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
			chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
			chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
			chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
			chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
			chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
			chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
			chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
			chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
			chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
			chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
			chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
			chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
			chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
			chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
			chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
			chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
			chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
			chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
			chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
			chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
			chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
			chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
			chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
			chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
			chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
			chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
			chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
			chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
			chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
			chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
			chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
			chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
			chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
			chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
			chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
			// Euro Sign
			chr(226).chr(130).chr(172) => 'E',
			// GBP (Pound) Sign
			chr(194).chr(163) => '');
			$string = strtr($string, $chars);
		} else {
			// Assume ISO-8859-1 if not UTF-8
			$chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)
			.chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)
			.chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)
			.chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)
			.chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)
			.chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)
			.chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)
			.chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)
			.chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)
			.chr(252).chr(253).chr(255);
			$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
			$string = strtr($string, $chars['in'], $chars['out']);
			$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
			$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
			$string = str_replace($double_chars['in'], $double_chars['out'], $string);
		}
		return $string;
	}
}

if (!function_exists('symbols_to_words')) {
	function symbols_to_words($output) {
		$ci = load_ci();
		$output = str_replace('@', ' at ', $output);
		$output = str_replace('%', ' percent ', $output);
		$output = str_replace('&', ' and ', $output);
		return $output;
	}
}
if (!function_exists('cut_string')) {
	function cut_string($string, $max_length) {
		$ci = load_ci();
		if (strlen($string) > $max_length){
			$string = substr($string, 0, $max_length);
			$pos = strrpos($string, " ");
			if($pos === false) {
					return substr($string, 0, $max_length)."...";
			}
				return substr($string, 0, $pos)."...";
		}else{
			return $string;
		}
	}
}
if (!function_exists('extract_words')) {
	function extract_words($string) {
		$ci = load_ci();

		$stopWords = array('i','a','about','in','an','and','are','your','you','have','into','than','as','at','be','by','com','de','en','for','from','how','is','it','la','of','on','or','their','that','the','this','to','was','what','when','where','who','will','with','und','the','www','which','doesnt','without','them');
		
		$string = preg_replace('/\s\s+/i', '', $string); // replace whitespace
		$string = trim($string); // trim the string
		$string = preg_replace('/[^a-zA-Z0-9 -]/', '', $string); // only take alphanumerical characters, but keep the spaces and dashes too…
		$string = strtolower($string); // make it lowercase
		
		preg_match_all('/\b.*?\b/i', $string, $matchWords);
		$matchWords = $matchWords[0];
		
		foreach ( $matchWords as $key=>$item ) {
		  if ( $item == '' || in_array(strtolower($item), $stopWords) || strlen($item) <= 3 ) {
			  unset($matchWords[$key]);
		  }
		}   
		$wordCountArr = array();
		if ( is_array($matchWords) ) {
		  foreach ( $matchWords as $key => $val ) {
			  $val = strtolower($val);
			  if ( isset($wordCountArr[$val]) ) {
				  $wordCountArr[$val]++;
			  } else {
				  $wordCountArr[$val] = 1;
			  }
		  }
		}
		arsort($wordCountArr);
		$wordCountArr = array_slice($wordCountArr, 0, 250);
		return $wordCountArr;
	}
}
if (!function_exists('clean_string')) {
	function clean_string($string) {
		$ci = load_ci();
		$string = str_replace('', '-', $string); // Replaces all spaces with hyphens.
		return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
	}
}
if (!function_exists('add_plus')) {
	function add_plus($string) {
		$ci = load_ci();
		$string = str_replace(' ', '+', $string); // Replaces all spaces with hyphens.
		return $string; // Removes special chars.
	}
}
if (!function_exists('get_latitude')) {
	function get_latitude($string) {
		$ci = load_ci();
		$geocode_stats = file_get_contents('http://maps.googleapis.com/maps/api/geocode/json?address='.$string.'&sensor=false');
		
		$output_deals = json_decode($geocode_stats);
		
		$latLng = $output_deals->results[0]->geometry->location;
		
		$lat = $latLng->lat;
		
		return $lat;
	}
}
if (!function_exists('get_longhitude')) {
	function get_longhitude($string) {
		$ci = load_ci();
		$geocode_stats = file_get_contents('http://maps.googleapis.com/maps/api/geocode/json?address='.$string.'&sensor=false');
		
		$output_deals = json_decode($geocode_stats);
		
		$latLng = $output_deals->results[0]->geometry->location;
		
		$lng = $latLng->lng;
		
		return $lng;
	}
}
if (!function_exists('separate_words')) {
	function separate_words($string) {
		$ci = load_ci();
		
		$words = clean_string(extract_words($string));
		$wordsArray = array_keys($words);
		$x = 0;
		foreach($wordsArray as $str)
		{
			$countWords = count($wordsArray)-1;
			if($countWords!=$x){
				$wordSeparator = ',';
			} else {
				$wordSeparator = '';
			}
			echo preg_replace('/(\w{2,})(?=.*?\\1)\W*/', '', $str) .$wordSeparator;
			$x++;
		}
	}
}